Re: [PATCH] USB Kconfig: Reorganize USB Kconfig Menu

From: Al Boldi
Date: Sun Dec 30 2007 - 14:10:35 EST


Adrian Bunk wrote:
> On Thu, Dec 27, 2007 at 02:18:58PM -0800, David Brownell wrote:
> > Also, looking at this in xconfig shows some oddness. That "core"
> > submenu holds stuff that would logically be part of the toplevel
> > menu for host side USB. While that toplevel menu has the USS720
> > driver, which seems more like a "miscellany" thing...

This one probably belongs in its own sub-menu, but as it is only one option,
it's not considered worthwhile, so we leave it as is.

> > The comment about SCSI shouldn't show when SCSI is defined; and
> > the comment aboue "SCSI disk support" belongs with the mass storage
> > menu, not at the top level. The way that the mass storage menu
> > is presented also hides the fact that you can get fully functional
> > mass storage support without checking *any* of the drivers there,
> > since the core already handles standard devices.
> >...
>
> The SCSI dependency should be handled through select - there's no
> reason for bothering the kconfig user wih such implementation details.

Agreed, and while we are at it, also select ATM for DSL, like this:

--- 23.a/drivers/usb/atm/Kconfig
+++ 23.b/drivers/usb/atm/Kconfig
@@ -4,7 +4,8 @@

menuconfig USB_ATM
tristate "USB DSL modem support"
- depends on USB && ATM
+ depends on USB && NET
+ select ATM
select CRC32
default n
help
--- 23.a/drivers/usb/storage/Kconfig
+++ 23.b/drivers/usb/storage/Kconfig
@@ -2,14 +2,10 @@
# USB Storage driver configuration
#

-comment "NOTE: USB_STORAGE needs SCSI, and 'SCSI disk support' may"
- depends on USB
-comment "also be needed; see USB_STORAGE Help for more information"
- depends on USB
-
menuconfig USB_STORAGE
tristate "USB Mass Storage support"
- depends on USB && SCSI
+ depends on USB
+ select SCSI
---help---
Say Y here if you want to connect USB mass storage devices to your
computer's USB port. This is the driver you need for USB
@@ -18,13 +14,17 @@ menuconfig USB_STORAGE
similar devices. This driver may also be used for some cameras
and card readers.

- This option depends on 'SCSI' support being enabled, but you
- probably also need 'SCSI device support: SCSI disk support'
+ This option selects 'SCSI' support , but you probably
+ also need 'SCSI device support: SCSI disk support'
(BLK_DEV_SD) for most USB storage devices.

To compile this driver as a module, choose M here: the
module will be called usb-storage.

+if USB_STORAGE
+comment "NOTE: USB_STORAGE selects SCSI, but 'SCSI disk support' may"
+comment "also be needed; see USB_STORAGE Help for more information"
+
config USB_STORAGE_DEBUG
bool "USB Mass Storage verbose debug"
depends on USB_STORAGE
@@ -147,6 +147,8 @@ config USB_STORAGE_KARMA
on the resulting scsi device node returns the Karma to normal
operation.

+endif # USB_STORAGE
+
config USB_LIBUSUAL
bool "The shared table of common (or usual) storage devices"
depends on USB


Thanks!

--
Al

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